[INFO] cloning repository https://github.com/pleasewhy/SimpleAsyncTcp [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pleasewhy/SimpleAsyncTcp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpleasewhy%2FSimpleAsyncTcp", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpleasewhy%2FSimpleAsyncTcp'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 239e5d7ac546e34db673289b2ff1ff7bc757fc99 [INFO] checking pleasewhy/SimpleAsyncTcp against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpleasewhy%2FSimpleAsyncTcp" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/pleasewhy/SimpleAsyncTcp on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/pleasewhy/SimpleAsyncTcp [INFO] finished tweaking git repo https://github.com/pleasewhy/SimpleAsyncTcp [INFO] tweaked toml for git repo https://github.com/pleasewhy/SimpleAsyncTcp written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/pleasewhy/SimpleAsyncTcp already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Updating git repository `https://github.com/sujayakar/unicycle` [INFO] [stderr] Locking 1 package [INFO] [stderr] Adding SimpleAsyncTcp v0.1.0 (/workspace/builds/worker-4-tc1/source) [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded futures-preview v0.3.0-alpha.17 [INFO] [stderr] Downloaded uniset v0.2.0 [INFO] [stderr] Downloaded futures-executor-preview v0.3.0-alpha.17 [INFO] [stderr] Downloaded futures-sink-preview v0.3.0-alpha.17 [INFO] [stderr] Downloaded bit-iter v0.1.6 [INFO] [stderr] Downloaded futures-core-preview v0.3.0-alpha.17 [INFO] [stderr] Downloaded futures-io-preview v0.3.0-alpha.17 [INFO] [stderr] Downloaded futures-channel-preview v0.3.0-alpha.17 [INFO] [stderr] Downloaded futures-util-preview v0.3.0-alpha.17 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0b08b9c869eab4a222447c8941a2bf36f52303084186dc052a02f50562b3c2e7 [INFO] running `Command { std: "docker" "start" "-a" "0b08b9c869eab4a222447c8941a2bf36f52303084186dc052a02f50562b3c2e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0b08b9c869eab4a222447c8941a2bf36f52303084186dc052a02f50562b3c2e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0b08b9c869eab4a222447c8941a2bf36f52303084186dc052a02f50562b3c2e7", kill_on_drop: false }` [INFO] [stdout] 0b08b9c869eab4a222447c8941a2bf36f52303084186dc052a02f50562b3c2e7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1852bdf28e5ec691032c724f2bfaf6a9aa2732800683919e1a7c3f6950261ef0 [INFO] running `Command { std: "docker" "start" "-a" "1852bdf28e5ec691032c724f2bfaf6a9aa2732800683919e1a7c3f6950261ef0", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.106 [INFO] [stderr] Checking slab v0.4.5 [INFO] [stderr] Checking futures-core-preview v0.3.0-alpha.17 [INFO] [stderr] Compiling futures-core v0.3.17 [INFO] [stderr] Compiling syn v1.0.81 [INFO] [stderr] Checking smallvec v1.7.0 [INFO] [stderr] Checking futures-io-preview v0.3.0-alpha.17 [INFO] [stderr] Checking spin v0.5.2 [INFO] [stderr] Compiling nix v0.17.0 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Checking pin-project-lite v0.1.12 [INFO] [stderr] Checking once_cell v1.8.0 [INFO] [stderr] Checking bytes v0.5.6 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking uniset v0.2.0 [INFO] [stderr] Checking bit-iter v0.1.6 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking futures-sink-preview v0.3.0-alpha.17 [INFO] [stderr] Checking thread_local v1.1.3 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking futures-channel-preview v0.3.0-alpha.17 [INFO] [stderr] Checking futures-util-preview v0.3.0-alpha.17 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.37 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking parking_lot_core v0.7.2 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking parking_lot v0.10.2 [INFO] [stderr] Checking unicycle v0.6.3 (https://github.com/sujayakar/unicycle?rev=44c0e8f62cb9355cfd35ef5309abf10a4c388b62#44c0e8f6) [INFO] [stderr] Checking futures-executor-preview v0.3.0-alpha.17 [INFO] [stderr] Checking futures-preview v0.3.0-alpha.17 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Compiling tokio-macros v0.2.6 [INFO] [stderr] Checking tokio v0.2.25 [INFO] [stderr] Checking SimpleAsyncTcp v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `lazy_static::__Deref` [INFO] [stdout] --> src/net/tcplisten.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use lazy_static::__Deref; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ErrorKind` [INFO] [stdout] --> src/net/tcplisten.rs:8:21 [INFO] [stdout] | [INFO] [stdout] 8 | use std::io::{self, ErrorKind}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Waker` [INFO] [stdout] --> src/net/mod.rs:16:32 [INFO] [stdout] | [INFO] [stdout] 16 | use std::task::{Context, Poll, Waker}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `libc` is imported redundantly [INFO] [stdout] --> src/executor.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | use libc; [INFO] [stdout] | ^^^^ the item `libc` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `lazy_static::__Deref` [INFO] [stdout] --> src/net/tcplisten.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use lazy_static::__Deref; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ErrorKind` [INFO] [stdout] --> src/net/tcplisten.rs:8:21 [INFO] [stdout] | [INFO] [stdout] 8 | use std::io::{self, ErrorKind}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Waker` [INFO] [stdout] --> src/net/mod.rs:16:32 [INFO] [stdout] | [INFO] [stdout] 16 | use std::task::{Context, Poll, Waker}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `libc` is imported redundantly [INFO] [stdout] --> src/executor.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | use libc; [INFO] [stdout] | ^^^^ the item `libc` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `child` [INFO] [stdout] --> tests/basic_tests.rs:15:13 [INFO] [stdout] | [INFO] [stdout] 15 | let child = cmd.spawn().expect(&format!("run server failed.",)); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_child` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> tests/basic_tests.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 23 | for i in 0..5 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `res` [INFO] [stdout] --> src/net/mod.rs:88:17 [INFO] [stdout] | [INFO] [stdout] 88 | let res = poll.poll(&mut es, Some(Duration::from_millis(500))); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_res` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `register_waker` is never used [INFO] [stdout] --> src/net/mod.rs:62:8 [INFO] [stdout] | [INFO] [stdout] 61 | impl EventState { [INFO] [stdout] | --------------- method in this implementation [INFO] [stdout] 62 | fn register_waker(&self) {} [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `res` [INFO] [stdout] --> src/net/mod.rs:88:17 [INFO] [stdout] | [INFO] [stdout] 88 | let res = poll.poll(&mut es, Some(Duration::from_millis(500))); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_res` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `register_waker` is never used [INFO] [stdout] --> src/net/mod.rs:62:8 [INFO] [stdout] | [INFO] [stdout] 61 | impl EventState { [INFO] [stdout] | --------------- method in this implementation [INFO] [stdout] 62 | fn register_waker(&self) {} [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.33s [INFO] running `Command { std: "docker" "inspect" "1852bdf28e5ec691032c724f2bfaf6a9aa2732800683919e1a7c3f6950261ef0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1852bdf28e5ec691032c724f2bfaf6a9aa2732800683919e1a7c3f6950261ef0", kill_on_drop: false }` [INFO] [stdout] 1852bdf28e5ec691032c724f2bfaf6a9aa2732800683919e1a7c3f6950261ef0